Philadelphia (PHL) → London (LHR)

5,690 km
7h 37m flight
From $760
London destination photo

About Philadelphia to London Flights

Discover the best flights from Philadelphia to London, covering 5,690 km in approximately 7h 37m. Philadelphia (PHL) to London (LHR) is one of the major long-haul routes connecting United States and United Kingdom. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Philadelphia to London.

12-Month Price History

Flight prices from Philadelphia to London vary significantly throughout the year. February typically offers the best deals with average prices around $1064, while July sees the highest prices, averaging $1824. Savvy travelers can save up to 42% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

170 days

For best prices

Booking Tips

For the best prices on Philadelphia to London flights, we recommend booking 140 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

United Airlines

UA

Economy

$1870

Business

$6400

First

$11820

American Airlines

AA

Economy

$1900

Business

$8050

First

$9690

UPS Airlines

5X

Economy

$1910

Business

$6610

First

$10950

Piedmont Airlines

PT

Economy

$1920

Business

$7060

First

$11300

Air France

AF

Economy

$2170

Business

$7980

First

$12800

Delta Air Lines

DL

Economy

$2250

Business

$7880

First

$10820

British Airways

BA

Economy

$2270

Business

$7830

First

$10530

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

London destination photo

New YorkLondon

John F. Kennedy International (JFK) to Heathrow (LHR)

Distance: 5,540 km

Average price: $1210

View this route →
London destination photo

NewarkLondon

Newark Liberty International (EWR) to Heathrow (LHR)

Distance: 5,563 km

Average price: $1215

View this route →
London destination photo

WashingtonLondon

Ronald Reagan Washington National (DCA) to Heathrow (LHR)

Distance: 5,882 km

Average price: $1277

View this route →
London destination photo

PhiladelphiaLondon

Philadelphia International (PHL) to Gatwick (LGW)

Distance: 5,719 km

Average price: $1245

View this route →

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Frequently Asked Questions

How long is the flight from Philadelphia to London?

The flight time from Philadelphia (PHL) to London (LHR) is approximately 7 hours and 37 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Philadelphia and London?

The aerial distance between Philadelphia and London is 5,690 kilometers (3,536 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Philadelphia to London?

Several airlines operate flights between Philadelphia and London, including British Airways, Piedmont Airlines, UPS Airlines and 4 more airlines. Direct flights are available on this route.

What is the cheapest month to fly from Philadelphia to London?

Based on historical data, February typically offers the lowest airfares for flights from Philadelphia to London. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to London?

For the best prices on Philadelphia to London flights, we recommend booking 91 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Philadelphia to London?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to United Kingdom should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Philadelphia and London?

Philadelphia operates on America/New_York time zone, while London is in the Europe/London time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.